Debra Johnson, a cleaning expert for Merry Maids, recommends running urine-soaked articles through a full-wash cycle using cold water and one cup of distilled white vinegar (without detergent first). Vinegar is an excellent urine stain remover; it breaks down the uric acid in urine and makes the stain easier to remove.
Soak the clothing in 2 cups cool water to 1 cup vinegar with two teaspoons of dishwashing detergent. Vinegar breaks down the uric acid in urine. Don't use heat at this point; it could set the stain. Rinse and wash normally. Let the item air dry to make sure the stain comes out.
For urine stains and smells on clothing, you need something with enzymes to remove them. Use a good detergent with enzymes, such as Wisk or Sears Stain-fighting Plus or any of the others out there! Use vinegar as your fabric softener.
Mix baking soda, peroxide, and dish soap; Make a solution of baking soda, peroxide, and any dish detergent. The combination of all three is strong enough to eliminate the strongest urine odors.
Hot water activates detergent so it's more effective and acts more quickly than cold water. Hot water sets protein stains as it 'cooks' them into the fabric. Blood would be a no-no, but I think urine/ poo should be fine.
Without rinsing off the detergent, place the garment into the washer with other items. Leaving the detergent on the stain will give your wash that extra boost of cleaning power. Wash on the usual cycle, on the hottest wash temperature indicated. Always check the instructions on the garment's care label.
Protein stains such as dairy, blood, egg, glue, and white deodorant marks should always be washed in cold water. Hot water can actually cook the protein, causing it to absorb into the clothing fibres, and making it almost impossible to remove.
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Soak In Baking Soda (or Vinegar)
If the odor persists, fill a sink, bucket, or tub with water and baking soda and allow your clothes or bedding to soak for 15 – 30 minutes. White Vinegar can be used as an alternative.
As with any pet stain removal, absorb excess urine with a towel and remove as much fecal matter as possible from the area before applying cleaning solution. Fully mix one-part hydrogen peroxide and one-part Dawn dish soap in a spray bottle. Spray the affected area with the mixture.
I use this to refresh my mom's sheets every day. She's 95 & incontinent. This spray clears the air & any dry bed pads of any urine smell.
Make a solution of baking soda (3 tablespoons), hydrogen peroxide (300 ml), and dish soap (2-3 drops), put it into a spray bottle, and shake well. If you don't have hydrogen peroxide or prefer not to use it, use vinegar.
Soak fabrics in cool water and oxygen-based bleach for 30 minutes for old or set-in urine stains. Then wash as usual. Soak overnight in oxygen bleach and wash again if the stain or odor persists.
“The smell gets more concentrated over time,” Dr. Kornreich says. Additionally, once a urine stain dries, you may no longer see it without using a black light. But you can still smell it, and so can your cat, which can lead them to pee in that area again.
For tough stain and odor removal, add a pac of Tide PODS® Ultra OXI 4in1 Laundry Detergent to your washing machine before adding your urine-stained items. For those with sensitive skin who want a hypoallergenic edge, use Tide PODS® Free and Gentle.
Baking soda is great at removing the smell of urine.
Oxyclean is a good product to remove the urine and fecal odors from the home.
Combat Urine with Hydrogen Peroxide and Surfactants Together
The hydrogen peroxide in Clorox ® Urine Remover breaks down the odor at its source through oxidization and removes uric acid crystals. Surfactants, solvent and a low pH work together to clean urine stains from porous grout and other difficult surfaces.
Use Acidified Body Wash or Acidified Cleansing Bar when bathing, they are both clinically proven to remove odor better than soap, and control odor for 24 hours. They contain no harsh ingredients, and are formulated for Whole Body use.
Warm water is a good choice for effectively cleaning clothes without damaging the material. This temperature will work best for most loads, including lightly soiled cotton, synthetic blends, linen fabrics and manufactured fibers.
Some of the toughest food stains to remove include coffee, tea, gum, peanut butter, mustard, berry juice, tomato-based sauces, baby food, red wine, chocolate, cooking grease and butter.
Hot water removes stains by breaking down and dissolving the stain-causing substances. Cold water has a different mechanism – it prevents the binding between proteins from the stain and the fabric, making it better for protein-based stains like baby food or blood.